x = int(input())
ans = 8
if x < 600: ans=8
elif x < 800: ans=7
elif x < 1000: ans=6
elif x < 1200: ans=5
elif x < 1400: ans=4
elif x < 1600: ans=3
elif x < 1800: ans=2
else: ans=1
print(ans) x = int(input()) x int(input()) int input() input ans = 8 ans 8 if x < 600: ans=8
elif x < 800: ans=7
elif x < 1000: ans=6
elif x < 1200: ans=5
elif x < 1400: ans=4
elif x < 1600: ans=3
elif x < 1800: ans=2
else: ans=1 x < 600 x 600 elif x < 800: ans=7 x < 800 x 800 elif x < 1000: ans=6 x < 1000 x 1000 elif x < 1200: ans=5 x < 1200 x 1200 elif x < 1400: ans=4 x < 1400 x 1400 elif x < 1600: ans=3 x < 1600 x 1600 elif x < 1800: ans=2 x < 1800 x 1800 print(ans) print ans ans = 8 8 ans x = int(input()) int(input()) x
x = int(input())
ans = 8
if x < 600: ans=8
elif x < 800: ans=7
elif x < 1000: ans=6
elif x < 1200: ans=5
elif x < 1400: ans=4
elif x < 1600: ans=3
elif x < 1800: ans=2
else: ans=1
print(ans)
